how are you新颖的回答?

fine
excellent
wonderful
just so-so
not bad
very good
not too bad
splendid
marvellous
如果回答bad,一般人家会问你what happened?
你就不得不回答一大堆，所以为了节省大家的时间，礼貌性的回答一下即可，别忘了说thank you!

http://iask.sina.com.cn/b/1274865.html?from=related 这个链接上有

该不会是老笑话吧
Outside a special class for Chinese to learn English.A met B by accident. A was surprised.
A: How are you?
B:......
Few days later, A met B again surprisly.
A: How old are you?
B:......

still alive

like a shit

just pissing around

cool like hell

f**king jesus

Couldn't be better. 好得不能再好了。

我听见的美国外教的回答：

1. I'm pretty good.

2. Pretty good.

3. Everything is going swimmingly.

just cool~